The Washington Post reports Sunday that U.S. officials may lose access to many American-funded redevelopment projects in Afghanistan because of security concerns after U.S. troops withdraw in 2014.

The Post says an analysis by the special inspector general for Afghanistan's reconstruction found that as U.S. combat troops leave Afghanistan, civilian employees of the U.S. government, especially the Agency for International Development, will lose the protection needed to inspect American-funded projects in conflict-hit areas.

The United States has spent billions of dollars on health, education and energy generation projects in Afghanistan. The special inspector general expressed concern that U.S. government officials will lose the ability to provide necessary oversight and inspection for the projects.

The Post says at least 15 projects, worth $1 billion, are expected to be beyond the reach of U.S. government personnel next year.

The Post also quoted an unnamed USAID official who said the aid agency's officials could continue to inspect the projects even in the absence of military personal.